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【单选题】
用来表示石油沥青温度敏感性的指标是()A.
针入度
B.
C.
软化点
D.
燃点
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反馈参考答案：
举一反三
【单选题】下列关于尼可刹米的性质，叙述错误的是
A.
为无色或淡黄色油状液体
B.
有引湿性
C.
具有酰胺键，但一般条件下较稳定
D.
与碱共热，产生的氨气可使润湿的红色石蕊试纸变蓝
E.
又名可拉明
【单选题】Things might have been much worse if the mother on her right to keep the baby.
A.
has been insisting
B.
had insisted
C.
would insist
D.
insisted
【单选题】A scientist working at her lab bench and a six-old baby playing with his food might seem to have little in common.After all,the scientist is engaged in serious research to uncover the very nature of t...
A.
Convincing.
B.
Confused.
C.
Confidence.
D.
Cautious.
【单选题】在如图甲所示的电路中,当闭合开关后,两个电流表指针偏转均如图乙所示,则通过电阻R1和R2的电流分别为( )
A.
1.2 A 0.22 A
B.
0.98 A 0.22 A
C.
0.96 A 0.24 A
D.
0.24 A 1.2 A
【单选题】Things might have been much worse if the mother on her right to keep the baby.
A.
had insisted
B.
has been insisting
C.
would insist
D.
insisted
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